https://www.usgs.gov/media/images/christiansburg-well-hydrograph-after-magnitude-64-earthquake-16-km-ese-baculin
Water level response in the Christiansburg Well to a magnitude 6.4 Earthquake 16 km ESE of Baculin, Philippines.See the water level data here.
christiansburgwellhydrographmagnitudeearthquake
https://www.usgs.gov/media/images/extonville-hydrograph
Screen capture of hydrograph showing record high stage on August 28, 2011, at the continuous-record streamflow-gaging station on the Crosswicks Creek at...
geological surveyextonvillehydrograph